3995236564 has 54 divisors (see below), whose sum is σ = 7796799150. Its totient is φ = 1789983360.

The previous prime is 3995236561. The next prime is 3995236603. The reversal of 3995236564 is 4656325993.

3995236564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 544848964 + 3450387600 = 23342^2 + 58740^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3995236561) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2578462 + ... + 2580010.

Almost surely, 2^3995236564 is an apocalyptic number.

It is an amenable number.

3995236564 is a deficient number, since it is larger than the sum of its proper divisors (3801562586).

3995236564 is a wasteful number, since it uses less digits than its factorization.

3995236564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1721 (or 1635 counting only the distinct ones).

The product of its digits is 5248800, while the sum is 52.

The square root of 3995236564 is about 63207.8837171440. The cubic root of 3995236564 is about 1586.7706780633.

The spelling of 3995236564 in words is "three billion, nine hundred ninety-five million, two hundred thirty-six thousand, five hundred sixty-four".